Question

Brett has determined a function f(x) that shows the exponential growth of the number of shoes Larae owns each year. Explain how the f-1(x) can be found and what f-1(132) means.

Answer 1

The inverse function can be found be taking a logarithm with base equal to that of the exponent.

Answer 2

The meaning is as such: given a the number of shoes owned, you can find the specific year in which larae's collection was this large.

Answer 3

f^-1(132)=T means that larae owned 132 shoes in year T